﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Demos.DesignPatterns._21_观察者模式
{
    /// <summary>
    /// 订单状态
    /// </summary>
    public enum OrderStatus
    {
        Created = 1,
        Paid,
        Shipped,
        Delivered,
        Cancelled
    }
}
